Find Cheap Flights from Las Vegas to St. Louis (LAS - STL)

Flights overview

Useful information for finding cheap flights from Las Vegas to St. Louis and booking your next trip

Cheapest round-trip flights	$113	Frontier Nonstop 4 hr Sat, Feb 28 — Sun, Mar 8	The cheapest round-trip flight from Las Vegas to St. Louis is currently $113
Cheapest one-way flight	$59	Frontier Nonstop 4 hr Wed, Mar 11	The cheapest one-way flight from Las Vegas to St. Louis is currently $59
Cheapest nonstop flights	$108	Frontier Nonstop 4 hr Fri, Feb 20 — Sun, Mar 1	The cheapest nonstop round-trip flight from Las Vegas to St. Louis is currently $108
Last-minute weekend getaway	$118	Frontier Nonstop 4 hr Fri, Feb 6 — Sun, Feb 8	The cheapest last-minute weekend getaway from Las Vegas to St. Louis is currently $118
Cheapest business class flights	$337	Frontier Nonstop 4 hr Sat, Feb 28 — Sun, Mar 8	The cheapest business class round-trip flight from Las Vegas to St. Louis is currently $337

Fastest flight	3 hr 5 min	The fastest nonstop flight from Las Vegas to St. Louis takes 3 hr 5 min
Nonstop flights	Every day	There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Las Vegas to St. Louis is typically February. The most expensive month to fly is typically June.

February Cheapest	Typical prices: $100–245
June Most expensive	Typical prices: $220–340

Popular airlines from Las Vegas to St. Louis

Southwest

Nonstop

from $227

Typical price: $310–600

32 weekly nonstop flights

LAS - STL Every day

1356 weekly connecting flights

LAS - STL Every day
American

from $233

Typical price: $290–570

366 weekly connecting flights

LAS - STL Every day
United

from $233

Typical price: $290–620

296 weekly connecting flights

LAS - STL Every day
Delta

from $233

Typical price: $305–700

266 weekly connecting flights

LAS - STL Every day
Frontier

Nonstop

from $113

Typical price: $150–345

4 weekly nonstop flights

LAS - STL Every Mon, Thu, Fri, Sun

23 weekly connecting flights

LAS - STL Every day
Alaska

from $336

Typical price: $410–830

21 weekly connecting flights

LAS - STL Every day

Popular airports near Las Vegas

Harry Reid International Airport (LAS)

Las Vegas United States 16 min 6 mi
St. George Regional Airport (SGU) (SGU)

St. George United States 1 hr 52 min 108 mi
Ontario International Airport (ONT)

Ontario United States 3 hr 32 min 201 mi
Boulder City Municipal Airport (BLD)

Boulder City United States 26 min 22 mi

Popular airports near St. Louis

St. Louis Lambert International Airport (STL)

St. Louis United States 21 min 12 mi
General Wayne A. Downing Peoria International Airport (PIA)

Peoria United States 2 hr 35 min 143 mi
MidAmerica St. Louis Airport (BLV)

Belleville United States 34 min 20 mi
Indianapolis International Airport (IND)

Indianapolis United States 3 hr 29 min 222 mi

Frequently asked questions about flying from Las Vegas to St. Louis

The cheapest flights from Las Vegas to St. Louis are usually in February. Typical ticket prices in February range from $100 to $245.

The cheapest round-trip flight from Las Vegas to St. Louis recently found on Google Flights was with Frontier from $113. The cheapest one-way flight was with Frontier from $59.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Southwest flight from Las Vegas to St. Louis is $227, flying from Feb 20 to Mar 1.
The cheapest American flight from Las Vegas to St. Louis is $233, flying from Apr 30 to May 6.
The cheapest United flight from Las Vegas to St. Louis is $233, flying from Apr 30 to May 6.
The cheapest Delta flight from Las Vegas to St. Louis is $233, flying from Apr 30 to May 6.
The cheapest Frontier flight from Las Vegas to St. Louis is $113, flying from Feb 28 to Mar 8.
The cheapest Alaska flight from Las Vegas to St. Louis is $336, flying from Apr 30 to May 6.

The cheapest round-trip flight from Las Vegas to St. Louis starts at $113 from Sat, Feb 28 to Sun, Mar 8. The cheapest one-way flight starts at $59 and departs on Wed, Mar 11.

3 hr 5 min is the shortest flight time from Las Vegas to St. Louis.

Apr–Sep is the most popular time to visit, coinciding with hot, humid summer and events like Fair St. Louis, a huge Fourth of July festival at Forest Park, and the Taste of St. Louis food festival (Sep). Weather in winter is cold, with occasional snow.

It's easy to use Google Flights to find the cheapest days to fly from Las Vegas to St. Louis.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from Las Vegas to St. Louis really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Las Vegas to St. Louis.

In terms of nonstop flights, Southwest is the most popular. Southwest offers 32 nonstop flights and 1,356 connecting flights per week. Southwest flies from Harry Reid International Airport (LAS) to St. Louis Lambert International Airport (STL) .

Other popular airlines flying from Las Vegas to St. Louis are:

American offers 366 connecting flights per week. American flies from Harry Reid International Airport (LAS) to St. Louis Lambert International Airport (STL) .
United offers 296 connecting flights per week. United flies from Harry Reid International Airport (LAS) to St. Louis Lambert International Airport (STL) .
Delta offers 266 connecting flights per week. Delta flies from Harry Reid International Airport (LAS) to St. Louis Lambert International Airport (STL) .
Frontier offers 4 nonstop flights and 23 connecting flights per week. Frontier flies from Harry Reid International Airport (LAS) to St. Louis Lambert International Airport (STL) .
Alaska offers 21 connecting flights per week. Alaska flies from Harry Reid International Airport (LAS) to St. Louis Lambert International Airport (STL) .

The number of connecting flights refers to distinct flights with at least one stop between Las Vegas and St. Louis.

The cheapest round-trip flight from Las Vegas to St. Louis recently found on Google Flights was with Frontier from $113. The cheapest one-way flight was with Frontier from $59.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Southwest flight from Las Vegas to St. Louis is $227, flying from Feb 20 to Mar 1.
The cheapest American flight from Las Vegas to St. Louis is $233, flying from Apr 30 to May 6.
The cheapest United flight from Las Vegas to St. Louis is $233, flying from Apr 30 to May 6.
The cheapest Delta flight from Las Vegas to St. Louis is $233, flying from Apr 30 to May 6.
The cheapest Frontier flight from Las Vegas to St. Louis is $113, flying from Feb 28 to Mar 8.
The cheapest Alaska flight from Las Vegas to St. Louis is $336, flying from Apr 30 to May 6.

Southwest and Frontier fly direct from Las Vegas to St. Louis.

There are 32 Southwest direct flights from Las Vegas to St. Louis per week. Flights are available every day.
There are 4 Frontier direct flights from Las Vegas to St. Louis per week. Flights are available on Monday, Thursday, Friday and Sunday.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between Las Vegas and St. Louis at price $118 is offered by Frontier from Fri, Feb 6 to Sun, Feb 8.

Southwest and Frontier fly direct from Las Vegas to St. Louis.

There are 32 Southwest direct flights from Las Vegas to St. Louis per week. Flights are available every day.
There are 4 Frontier direct flights from Las Vegas to St. Louis per week. Flights are available on Monday, Thursday, Friday and Sunday.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

There are direct flights from Las Vegas to St. Louis on a daily basis.

The cheapest direct (nonstop) round-trip flights between Las Vegas and St. Louis start at $108 from Fri, Feb 20 to Sun, Mar 1 with Frontier.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Las Vegas to St. Louis, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between Las Vegas and St. Louis start at $337 from Sat, Feb 28 to Sun, Mar 8 with Frontier.

The cheapest economy class round-trip flights between Las Vegas and St. Louis start at $113 from Sat, Feb 28 to Sun, Mar 8.

To book business class trips from Las Vegas to St. Louis, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between Las Vegas and St. Louis starts at $118 from Fri, Feb 6 to Sun, Feb 8 with Frontier.

The cheapest last-minute deal between Las Vegas and St. Louis at price $118 is offered by Frontier from Fri, Feb 6 to Sun, Feb 8.

To find last-minute flight deals from Las Vegas to St. Louis, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.